Seiko Cal. 4528 - 951

The Seiko 4528-951 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-882203fe6751]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1966

Related Models

• Seiko 6198-426
• Seiko 7165-175
• Seiko 4492-205
• Seiko 4541-847
• Seiko 6650-895
• Seiko 6169-771
• Seiko 4511-897
• Seiko 5274-625
• Seiko 7096-204
• Seiko 7078-432
• Seiko 4444-305
• Seiko 6341-151